RT Journal Article SR Electronic T1 Marketing life after advertising bans JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 196 OP 198 DO 10.1136/tc.10.2.196 VO 10 IS 2 A1 TODD HARPER YR 2001 UL http://tobaccocontrol.bmj.com/content/10/2/196.abstract AB